Israel officials have warned of a tough response after a barrage of Palestinian rockets fired from the Gaza strip struck southern Israel.
The Israeli army responded by launching strikes on three sites across Gaza. The recent clashes have killed six Palestinians, including four civilians, and 40 have been wounded, according to the AP.
The EU's foreign policy chief, Baroness Catherine Ashton, has condemned the latest escalation of violence and called for both sides to "refrain from escalating the situation."
Baroness Ashton reiterated her support for a two-state solution and the ongoing peace efforts by Egypt:
Foreign Secretary William Hague voiced his concerns, calling for "all sides to demonstrate restraint":
Israel also fired across its border with Syria today, destroying a Syrian armoured vehicle, in retaliation after a mortar shell landed on its territory.
The Israeli military had though the mortar fire on its territory was a spillover from the intense fighting between President Assad's army and rebel forces trying to oust him, and not a covert attempt to hit the Jewish state. An official said: